27807680

素因数分解:

$2^6\times 5^1\times {\mathrm{67}}^1\times {\mathrm{1297}}^1$

素因数の和:1381

約数の個数: 56

約数和(自身を含む): 67257168

約数和(自身を除く): 39449488

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 67, 80, 134, 160, 268, 320, 335, 536, 670, 1072, 1297, 1340, 2144, 2594, 2680, 4288, 5188, 5360, 6485, 10376, 10720, 12970, 20752, 21440, 25940, 41504, 51880, 83008, 86899, 103760, 173798, 207520, 347596, 415040, 434495, 695192, 868990, 1390384, 1737980, 2780768, 3475960, 5561536, 6951920, 13903840, 27807680]

約数ペア:

[(1, 27807680), (2, 13903840), (4, 6951920), (5, 5561536), (8, 3475960), (10, 2780768), (16, 1737980), (20, 1390384), (32, 868990), (40, 695192), (64, 434495), (67, 415040), (80, 347596), (134, 207520), (160, 173798), (268, 103760), (320, 86899), (335, 83008), (536, 51880), (670, 41504), (1072, 25940), (1297, 21440), (1340, 20752), (2144, 12970), (2594, 10720), (2680, 10376), (4288, 6485), (5188, 5360)]